1. IOR/Z/E/4/42/A3635 Reference (shelfmark): IOR/Z/E/4/42/A3635 Title: Astronomy, Astronomer, Copy of report from, on the length of the pendulum of the Equator trasnmitted and presented to Netherlands Government Collection Area: India Office Records and Private Papers Languages: English Date Range: 1824-1830 Extent: 1 entry